Pack for food, set for forming such a pack, and material sheet for such a set

ABSTRACT

Pack for food, in particular for an item of confectionery, comprising an originally flat material sheet ( 10 ) which is folded to form a three-dimensional, in particular theme-related, object, preferably a sports-related object, in particular a rattle, wherein the object comprises a holder ( 20 ) in which at least one separately packed food is accommodated.

The present invention in the widest sense concerns the packing of food,here in particular the packing of food for presentation in the retailtrade in order to give customers a stimulus to buy.

Products such as food, including confectionery, are offered in theretail trade in a wide range of packaging and presentation concepts. Inparticular, promotions in the context of major events such as forexample World and European Championships are used to increase the buyingstimulus, wherein the product is presented with an event- ortheme-related packaging.

The object of the present invention therefore, based on this concept, isto develop a pack for food for presentation to the customer and forcreating a buying stimulus, which stands out from the former conceptsbut at the same time is economical and easy to produce.

This object is achieved by a pack with the features of claim 1, amaterial sheet for such a pack according to claim 9, and sets with sucha material sheet according to claim 13 or 19. Advantageous refinementsof the present invention arise from the subclaims.

The present invention is based on the concept of folding an originallyflat material sheet into a three-dimensional object in which theseparately packed food is accommodated. The object can be theme- and/orevent-related, and form an actual object independently or in conjunctionwith the food. Purely as an example this could be a rattle, a trophy cupor a ball. In the case of the rattle, the food to be used in particularis food which is packed in bulk and which can imitate the noise of arattle.

Accordingly the present invention proposes a pack for food, inparticular confectionery. Confectionery includes in this context allfoods which do not belong to basic nutrition foods. These includeamongst others boiled sweets, candy, chewing gum, different types ofchocolates, cookies etc. In particular the pack is used to accommodatesweets held in bulk in a container or vessel, such as for example boiledsweets, candy or chewing gum. The pack according to the presentinvention comprises an originally flat material sheet. The materialsheet can consist of paper, cardboard, plastic or a combination thereofand comparable materials. Preferably however paper or cardboard areused. The term “flat” here means that the large outer faces of thematerial sheet, before folding, lie in a common uncurved plane. Asynonym for “flat” is therefore “planar”. This originally flat materialsheet according to the invention is folded into a three-dimensional, inparticular theme-related object. A three-dimensional object inparticular means an imitation of a three-dimensional actual object towhich the customer regularly attributes a particular property and/orfunction. Furthermore a receiver is provided in which the at least oneseparately packed food is accommodated. In the example of boiled sweets,candy or chewing gum, in a plurality these can be held in a containere.g. a paper bag, a cardboard or plastic box, which in turn isaccommodated in the object. Since the separately packed food can bepresented in the object and the customer associates the object with aunique property and/or function separate from the food, a distinction ismade from existing comparable foods and hence a buying stimulus iscreated.

Preferably such a pack is used in connection with major sporting eventssuch as for example World and European Championships. Purely as anexample here, reference is made to the football World and EuropeanChampionships. Here it is preferred to fold the three-dimensional objectinto a sport-related object, in particular a rattle, a trophy cup or aball. The rattle, in particular in connection with the abovementionedbulk food contained in a container, e.g. confectionery, in particularboiled sweets, chewing gum or candy, can be used as a rattle actuallyproducing noise to support a chosen team.

To structure the production process simply and economically, it ispreferred to form the receiver either directly by folding the originalflat material sheet into a three-dimensional object, or from a separatematerial sheet which is also originally flat.

The material sheet can be held in the folded state by the use of glues.It is however preferred that the material sheet is held in the foldedstate by form-fit engagement of engagement devices and/or is held in thefolded state by the three-dimensional object. It is also conceivablethat the receiver folded from the material sheet is held in the foldedstate exclusively by the three-dimensional object. Thus no glue isrequired and the production process can be optimized.

Also the connection of the receiver with the three-dimensional objectadvantageously takes place by form fit and/or by force fit i.e. withoutthe use of glues and other material fit connections, in particular onlyby form fit and/or force fit. Thus usually it is advantageous to useprimarily form-fit connections which are supported by an additionalforce-fit component. Also the separately packed food is preferably heldin the receiver or pack only by form fit and/or force fit.

In addition it is furthermore advantageous to hold the three-dimensionalobject in the folded state primarily by form- and/or force-fitconnecting elements. In particular here it is preferred to produce theseby the engagement of engagement devices which are part of a materialsheet.

Alternatively or additionally it is also conceivable to provide anadditional, also preferably flat element from the same or comparablematerials as the material sheet, and bring this into engagement with thematerial sheet from which the three-dimensional object is folded or withthe three-dimensional object, in order to hold the three-dimensionalobject in the folded state.

For the latter embodiment it has proved advantageous if the additionalelement surrounds the three-dimensional object completely and thus holdsit together. Here it is preferred that the additional element is pushedover the three-dimensional object and holds this together or in shape inthe radial direction and/or circumferential direction.

To prevent removal of the separately packed food from the pack,advantageously the outer contour can be formed closed. In order howeverto give a view of the food or its pack, it can be advantageous toprovide an inspection window in the region of the outer contour of thethree-dimensional object, in particular an inspection window closed by atransparent material.

As well as the abovementioned pack, the present invention concerns amaterial sheet for forming the three-dimensional object for such a pack,as defined in claim 10. Advantageous embodiments of the material sheetare given in the associated subclaims.

In particular when forming the three-dimensional object as a rattle, ithas proved advantageous for the material sheet to have several flatportions corresponding in cross section to the outer contour of thethree-dimensional object and connected together via first fold lines.

Furthermore the individual portions are fitted with a second fold line,preferably along their center line, so that the portions can be foldedin half on each other along the first fold line and thus, on foldinginto the three-dimensional object, in particular the rattle or trophycup, the second fold lines of the portions in folded state lie in themiddle of the object. Thus the regions of the portions lying on eachother extend in the manner of a star or radially out from the center. Inother words the object is formed star-shaped in cross section. Here itis advantageous that the individual portions have a part region formingthe rattle head or trophy cup head and a part region forming the rattlehandle or trophy cup foot.

In order to be able to accommodate the food in the folded state, it ispreferred if the portions are each fitted with a cut-out so that, in theexample of the rattle or trophy cup, a cavity exists in the center ofthe rattle or trophy cup head in which the food can be held preferablypurely by form fit. To support this, it can be advantageous to provide aseparate receiver in this cavity which for example can take the form ofa box with an opening on one side.

In particular in the embodiment as a ball, it is advantageous to equipthe material sheet with several fields which form the outer faces of thethree-dimensional object and are arranged in a row, and for example areconnected together via first fold lines, wherein to form a ballpreferably three rows of fields are arranged next to each other and thefields of adjacent rows are connected together where applicable viasecond fold lines. To be able to produce a more or less round object, itis furthermore advantageous to provide third fold lines in every secondfield of at least one row, which lines run from one side to the other ofthe field into a triangle, the tip of which lies on one side on a centerline of the field, wherein for three rows, preferably only the outerrows have such third fold lines and the tips of the respective trianglesof the outer rows point away from each other.

In addition, in particular in the embodiment of a closed ball-likeobject and to prevent the removal of the separately packed food, it hasproved advantageous to form at least one field, preferably however twoor more adjacent fields, of transparent material in order to form aninspection window, or to design these such that they comprisetransparent material. This prevents intervention in the ball-like objectbut at the same time allows a view of the packed food.

In addition the present invention also proposes a set for production ofa pack as explained above, as defined in claim 18 or claim 20.Advantageous embodiments of the set are given in the associatedsubclaims.

In particular to form a rattle or a trophy cup, it is preferred toprovide a further, preferably flat, element which can be pushed onto thethree-dimensional object made of the folded material sheet in order tohold the three-dimensional object folded from the material sheet in thefolded state. It is particularly preferred to provide a cut-out in theflat element which has at least one and preferably several longitudinalslots running through the center. Particularly preferably the flatelement is designed round. Further preferably, on use as a rattle ortrophy cup, in regions (walls) lying on each other of the individualportions which extend radially from the center, the cut-outs are madecorresponding to the radially extending walls so that the radiallyextending walls can be held evenly spaced in the circumferentialdirection by pushing on the additional element, and hence the objectremains in the folded state.

When formed as a ball-shaped object, in particular a ball, it is furtherpreferred to provide a further flat material sheet to form a receiver,which evidently is also conceivable in the embodiment as a rattle or atrophy cup.

In the embodiment as a ball-shaped object, it is particularly preferredto form the receiver from three fields which are connected via fourthfold lines, wherein the outline of the outer fields corresponds in crosssection to the inner contour of the folded three-dimensional object,e.g. these can be octagonal, while the center field has a connectingportion which is preferably rectangular, and connects together twoportions, the outline of which corresponds to half the outline of theother fields, i.e. has four corners, wherein the outer fields combinedform an octagon in contour. The two portions are advantageouslyconnected to the connecting portion via fifth fold lines. To form thereceiver, the two portions of the center field are folded onto the outerfields and the two portions folded about the fifth fold line so that theconnecting portion forms a vertically running wall in the finished pack.Thus it is possible to introduce one of the outer portions, which runhorizontally in this case, into the partly folded three-dimensionalobject and fold the opposite, also horizontal field about the fifth foldline in a vertical direction before or after introduction, in order toinsert the separately packed food. Then the outer field can again bepivoted about the fifth fold line into a horizontal position before thethree-dimensional object is closed. This allows simple filling of theball-shaped, closed object with the food.

To hold the food by form fit in the simplest manner, it can bepreferable to provide a cut-out in at least one portion of the middlefield, in particular in one of the two portions, preferably a tab can befolded out of at least one of the cut-outs. The tab forms a stop and bythe edges of the cut-outs, which are limited downwards in folded stateby one of the outer fields when one of the two portions is folded ontothe outer field, thus creates e.g. a rectangular receiver for the packedfood without additional elements being required.

Further features and advantages of the present invention which can beimplemented with one or more of the above features, unless the featurescontradict each other, arise from the following description of preferredembodiments. This is given with reference to the accompanying drawingsin which:

FIG. 1 shows a perspective view of a pack according to a firstembodiment of the present invention without separately packed food;

FIG. 2 shows a perspective view of the pack in FIG. 1 with separatelypacked food;

FIG. 3 shows a view from below of the pack in FIGS. 1 and 2;

FIG. 4 shows a top view of a material sheet to form thethree-dimensional object of the pack in FIG. 1;

FIG. 5 shows an additional element for holding in folded state thethree-dimensional object from FIGS. 1 and 3 which has been folded from amaterial sheet according to FIG. 4;

FIG. 6 is a perspective view of a pack according to a second embodimentof the present invention without separately packed food;

FIG. 7 is a top view of a material sheet for forming thethree-dimensional object of the pack in FIG. 6;

FIG. 8 shows an additional element for holding in folded state thethree-dimensional object from FIG. 6 which has been folded from amaterial sheet according to FIG. 7;

FIG. 9 is a perspective view of a pack according to a third embodimentof the present invention without separately packed food;

FIG. 10 shows a top view of a material sheet for forming thethree-dimensional object of the pack in FIG. 9; and

FIG. 11 is a top view of a material sheet for forming a receiver for thepack in FIG. 9.

In the various drawings and embodiments, the same reference numerals areused for the same or similar elements. In the description below, thecorresponding elements are usually only explained once and thedescription of an element in one embodiment also applies to the sameelement in another embodiment.

A first embodiment of the present invention is explained below withreference to FIGS. 1 to 5.

The pack 1 is formed from a flat material sheet, in particular of paperor cardboard as shown in FIG. 4, a receiver 20 also made of paper orcardboard, and an additional element 30 as shown in detail in FIG. 5 andwhich also consists of paper or cardboard. Here the three-dimensionalobject of the pack is formed as a rattle.

The material sheet 10 has several (here six) portions 11 which can herebe divided into two sub-regions, a head region 12 of the rattle and ahandle region 13 of the rattle.

The respective portions 11 are connected together via first fold lines14, wherein the outer portions 11 are connected to another portion onone side only and the inner portions 11 are each connected to a portion11 on opposite sides via fold lines 14. In the area of the head region12, each portion 11 has a cut-out 15. The cut-outs 15 in the two outerportions 11 each have a rebate 16 in their bottom and outer corner. Sucha rebate 16 is also provided in the mutually facing lower corners of thecut-outs 15 of the portions 11 lying centrally next to each other.

In addition the portions 11 are each fitted with second fold lines 17which run along a center axis and allow the respective portions 11 tofold in the middle. The second fold lines 17 divide the individualportions 11 into a left and a right sub-section 19 _(L) and 19 _(R).

The head region 12 is separated from the handle region 13 by grooves 18lying opposite each other in relation to the center line.

The receiver 20 visible in FIGS. 1 and 2 is also formed from a flatmaterial sheet which is not shown separately, and is folded into a boxopen at the top. The box is held in this state by tabs 21 glued to theside walls 12 (FIG. 1).

The additional element 30 (FIG. 5) has a substantially round basic formor outer contour with a center 31. In addition there are threelongitudinal, rectilinear slots 32 which each run through the center 31,i.e. radially. This gives a substantially star-shaped cut-out in theadditional element 30, formed by the slots 32.

To form a pack as shown in FIGS. 1 and 2, the left section 19 _(L) ofthe portion 11 on the outside left in FIG. 4, and the right section 19_(R) of the portion 11 on the outside right in FIG. 4, are folded upabout the second fold line 17, and from left to right, the respectiveright sections 19 _(R) with the respective left sections 19 _(L) ofadjacent portions 11 are folded to the back about the second fold lines17 or the first fold lines 14 in FIG. 4. Then the left section 19 _(L)of the portion 11 on the outside left in the figure, and the rightsection 19 _(R) of the portion 11 on the outside right in the figure,are also laid with their backs on each other so that the second foldlines 17, as shown in FIG. 1, point towards each other. The respectivesections 19 _(R) and 19 _(L) of the portions 11 lying on each other formindividual walls 23 which run radially from a center 31 of the pack.This gives a cavity 24 in the head region 12, which is formed by thecut-outs 15 of the individual portions 11. The rebates 16 formcorresponding grooves in two diametrically opposed walls 23 in order tohold the receiver 20 in the cavity 24 by form fit in the verticaldirection. For this the previously folded receiver 20 is introduced intothe cavity 24 diagonally through the areas between two walls 23 shown inFIG. 1, and then engages in the rebates 16, wherein the base 25 of thereceiver 20 is supported on the upward-pointing edges of the portions 11delimiting the respective cut-outs 15 in the vertical direction.

To hold the three-dimensionally folded object in folded state, theadditional element 30 is pressed from below onto the holder portion 13,whereby the walls 23, formed by folding in the region of the handleportion 13, engage in the longitudinal slots 32 of the additionalelement 30, or the additional element 30 is pushed upward along thewalls 23 by the handle portion 13 as far as the head portion, where thediametrically outer ends 33 of the slots 32 engage in the groove 18 andthus by form fit prevent removal of the additional element 30. Thisstate is illustrated most clearly in FIG. 3.

Advantageously, several e.g. four containers containing preferably bulkfood, e.g. boiled sweets, are held in the receiver 20. The pack forthese foods is preferably a box of plastic and/or cardboard, wherein thesweets do not fill the box completely so that when shaken, a rattlingnoise is created. The pack of the first embodiment with separatelypacked food inserted is shown in FIG. 2. When a user grips the pack ofthe first embodiment in the handle region 13 and shakes the pack, themovement of the food, e.g. the boiled sweets, in the separate packcreates a rattling noise which for example can be used for encouragementin sporting events.

The pack 40 preferably lies on the upper edges of the portions 11delimiting the openings 15 in the vertical direction in order to avoidits falling out, i.e. the packs are held by form fit in the verticaldirections by the receiver 20 and the upper edges of the cut-outs 15 ofthe portions 11, and in the horizontal direction by the side walls 22 ofthe receiver 20.

A further embodiment of the present invention, in which thethree-dimensional object resembles a trophy cup, is explained below withreference to FIGS. 6 to 8. Substantially reference is made to thestatements concerning the first embodiment in FIGS. 1 to 5, and only thedifferences are emphasized.

The pack of the second embodiment also comprises a flat material sheet10 which is folded into a three-dimensional object, here a trophy cup.The material sheet 10 is shown in FIG. 7. Also several (here six)portions 11 are provided which are connected via first fold lines 14.These portions are also divided into two sub-regions, a head portion 12different to that of the embodiment in FIG. 1, and not a handle portionbut rather a stand or foot portion 113. The individual portions 11, incontrast to the embodiment in FIG. 4, are connected together not only inthe head region 12 via the first fold lines 14 but also in the standportion 113. Thus cut-outs 115 result between the fold lines 14 whichconnect adjacent portions 11, as is best seen in FIG. 7.

A further difference from the embodiment in FIGS. 1 to 7 lies in thatthe groove for fixing the additional element 30 is provided not at theinterface between the head portion 12 and the stand portion 113, butrather in the stand portion 113 close to an edge 114 which in foldedstate forms the standing surface.

The additional element 30 as shown in FIG. 8 does not in principlediffer significantly from that shown in FIG. 5, with the exception thatit is formed precisely circular. Thus in relation to this embodiment,reference is made to the statements concerning the first embodiment.

The structure of pack shown in FIG. 6 is similar to that explained withreference to FIG. 1. To hold the material sheet 10 in folded state, theadditional element 30 is pushed onto the stand portion 113 at thebottom, whereby the walls 23 formed by the respective sections 19 _(R)and 19 _(L) engage in the longitudinal slots 32 of the element 30 untilthe element 30 engages with the grooves 118 and is thus held (FIG. 6).

A further difference from the second embodiment is the design of thereceiver 20, as shown in FIG. 6. The receiver 20 is held in folded statenot by glue and tabs but rather because the longer side walls 22 in FIG.6 have corresponding tabs (not shown) and the shorter side walls 22 arefolded twice about a fold line 26, and a protrusion 27 engages in arebate 28 in the base 25 about the receiver 20 in folded state, whereinthe tabs lie between the double-folded side walls.

Otherwise the second embodiment, apart from the design in the form of atrophy cup, does not differ significantly from the first embodiment sothat reference is made to the statements in this connection.

Finally with reference to FIGS. 9 to 11, a third embodiment of thepresent invention is explained in which the three-dimensional object ofthe pack is designed based on a ball, e.g. a football.

A flat material sheet 10 to form the three-dimensional object of thispack is shown in FIG. 10. It is formed from several portions or fields211 which form the outer surface of the three-dimensional object. Thefields 211 are arranged in three rows R₁ to R₃ lying next to each other.The adjacent fields 211 of one row are connected together via first foldlines, while adjacent fields of different rows are connected togethervia second fold lines 217. The fields 211 of the outer rows R₁ and R₃are formed square, while the fields 211 of the middle row are formedrectangular, wherein the shorter sides are joined via fold lines 217 tothe adjacent fields 211 of rows R₁ and R₃, and the longer sides arejoined via the first fold lines 214. In addition in row R₂, one field211 and half of two fields 211 adjacent to this field comprise atransparent material 240, wherein this can be formed by a transparentfilm glued onto the material sheet 10 consisting of paper. Furthermoreevery second field of the outer rows R₁ and R₃ has third fold lines 241which extend from the inside second fold line 217 and the inside outeredge of the respective field 211 towards each other to the outside ofthe respective field 211 and form a triangle, the tip of which lies onthe center line of the respective field 211. The tips of the trianglesin rows R₁ and R₃ point away from each other.

Furthermore around the outer periphery of the material sheet 10 areprovided several engagement elements 242 which can be formed as rebates243 or tabs 244 in order to hold the material sheet 10, folded into thethree-dimensional object, in folded state.

Furthermore on one field 211 at one end of each of rows R₁ to R₃, tabs245 are provided which are adapted for gluing with the respective fields211 on the opposite ends of rows R₁ to R₃.

To fold the object shown in FIG. 9 as a ball into a three-dimensionalobject, the tabs 245 are glued to the back of the fields 211, lying onthe right in FIG. 10, of rows R₁ to R₃ and the sections 245 of fields211 with the fold lines 241 are folded inwards, as most evident fromFIG. 9. The fields 211 of the middle row R₂ in cross section form anoctagon, whereas the fields 211 without fold lines 241 of the outerrows, and the sections 245 of the respective edges of the octagon,extend obliquely upwards towards the center (center axis) of the object,wherein the fields 211 without fold lines 241 are equipped withengagement devices 242 which are brought into engagement with each otherto fix opposing ends of the fields 211, as shown at the top in FIG. 9.The same happens on the underside, wherein to improve the standingstability, first the engagement elements 242 with the rebates 243 arebrought into engagement and then the tabs 244 shown on the left in FIG.10 are inserted in the resulting slot between the engagement elements242 brought into engagement, and then the tab 244 engages in a rebate247 to form a flat standing surface.

In particular first the lower part is closed while the upper part inFIG. 9 remains open in order to be able to insert the receiver 20described below.

The receiver 20 is also formed of a flat, planar material sheet as shownin FIG. 11. Here outer fields 260 are joined with the middle field 261via fold lines 262 (fourth fold lines). The outer fields 260 correspondto the inner contour of the formed object and in particular to theoctagon visible in cross section, formed by the fields of the center rowR₂. The middle field 261 has a connecting portion 263 and two portions264 diametrically opposite the connecting portion 263, which are eachconnected to the connecting portion 263 via fifth fold lines 265. Theportions 264 correspond in contour to around half the outer fields 260.Furthermore tabs 266 are provided on the connecting portion 263, whichcan be folded about the fold lines 267.

In addition, cut-outs 268 are provided in the portions 264, wherein atab 269 can be folded out from one of the cut-outs 268 about a fold line270.

To form the receiver 20, the outer fields 260 in FIG. 11 are each foldeddown about the fold lines 262 so that the faces of the fields 260 lyingat the bottom and portions 264 come to lie on each other. The tab 269 isfurthermore folded upward about fold line 270 and thus protrudesvertically from the upper face of the lower portion 264. The tabs 266are folded down about the fold line 267 in FIG. 11 and thus protrudevertically to the back from the face of the connecting portion 263. Thenthe lower portion 264 and the lower field 260 are folded forward aboutthe fold line 265 so that the faces of these portions extend verticallyto the face of the connecting portion 263. Then the receiver folded inthis way is introduced into the partly folded material sheet 10 open atthe top, and with a box similar to the box 40 in FIG. 2, can be filledwith the separately packed food. This is not however shown in FIG. 9.Then the upper field 260 and the upper portion 264 in FIG. 11 are alsofolded about the fold line 265 into the horizontal (vertical to theconnecting portion 263) and thus close the receiver at the top, whereinthe upper edges of the container 40 come into engagement with therespective peripheral edges 271 of the cut-out 268 in the field 264 atthe top in FIG. 11, and hence create a form-fit holder for the packs 40at the top in the horizontal direction while the edges 271 of thecut-out 268 at the bottom provide a form fit in the horizontal directionat the bottom of the packs 40. This is furthermore supported by theupward folded tab 269, which prevents a falling forwards.

Then also the upper region is closed by the engagement devices 242 asshown in FIG. 9 to produce the finished pack.

Consequently in this pack too, almost no glue joints are required andthe pack can be produced by merely folding and bringing into engagementa material sheet of paper or cardboard with an inspection window,wherein the inspection window for example can be formed from atransparent plastic film.

Thus the various embodiments of the present invention offer thepossibility, in the simplest manner, of producing packs from materialsheets and usually without glue joints, wherein these packs increase thebuying stimulus without substantially increasing the production costsfor the product. The event- or sport-related design of thethree-dimensional object as a rattle, trophy cup or football isparticularly advantageous. It is evident that the present invention canalso be implemented elsewhere and can be designed related to differentevents or themes.

1. Pack for food, in particular confectionery, comprising: an originallyflat material sheet (10) which is folded into a three-dimensionalobject, in particular a theme-related object, preferably a sport-relatedobject, in particular a rattle, wherein the object comprises a receiver(20) in which at least one separately packed food is accommodated. 2.Pack according to any of the preceding claims, wherein thethree-dimensional object is held in folded state by an additional,preferably flat element (30) which is in engagement with the materialsheet (10) from which the three-dimensional object is folded.
 3. Packaccording to claim 2, wherein the additional element (30) surrounds thethree-dimensional object over the full periphery and thus holds ittogether.
 4. Pack according to any of the preceding claims, wherein thereceiver is folded from a separate, originally flat, material sheet. 5.Pack according to claim 4, wherein the receiver (20) folded from thematerial sheet is held in folded state exclusively by thethree-dimensional object or by form-fit engagement elements.
 6. Packaccording to any of the preceding claims, wherein the receiver (20) isheld in the three-dimensional object by form fit and/or force fit, inparticular only by form fit and/or force fit.
 7. Pack according to anyof the preceding claims, wherein the three-dimensional object is held infolded state by the engagement of two elements (242) which are part ofthe material sheet (10) from which the three-dimensional object isfolded.
 8. Pack according to any of the preceding claims, wherein aninspection window is provided in the region of the outer contour of thethree-dimensional object, in particular an inspection window closed by atransparent material (240) and through which the food or its pack (40)is visible.
 9. Material sheet to form the three-dimensional object for apack according to any of the preceding claims.
 10. Material sheetaccording to claim 9, with several flat portions (11) corresponding incross section to the outer contour of the three-dimensional object andconnected together via first fold lines (14).
 11. Material sheetaccording to claim 10, wherein the portions (11) each have a second foldline (17) along their center lines, so that the second fold lines (17)of the portions, in the state folded into the three-dimensional object,lie in the center (31) of the three-dimensional object.
 12. Materialsheet according to any of the preceding claims 9 to 11, wherein theportions (11) each have a cut-out (15) which, in folded state of thethree-dimensional object, form the receiver or which supplement eachother to form a holder for the receiver (20).
 13. Set consisting of amaterial sheet according to any of claims 10 to 12, and a preferablyflat element (30) which can be pushed onto the material sheet (10) whenfolded into the three-dimensional object, in order to hold the materialsheet folded into a three-dimensional object in folded state.
 14. Setaccording to claim 13, wherein the preferably flat element (30) has acut-out which has at least one, preferably several, longitudinal slots(32) running through the center (31).
 15. Material sheet according toclaim 9, furthermore comprising several outer fields (211) forming outerfaces of the three-dimensional object and arranged in a row andconnected together via first fold lines (214).
 16. Material sheetaccording to claim 15, wherein at least three rows (R₁ to R₃) of fields(211) are arranged next to each other and the fields of adjacent rowsare connected via second fold lines (217).
 17. Material sheet accordingto claim 15 or 16, wherein every second field (211) of a row has thirdfold lines (241) which run together from one side of the field to theother into a triangle, the tip of which lies on one side on a centerline of the field.
 18. Material sheet according to any of claims 15 to17, wherein at least one field, preferably two or more adjacent fields,are formed of transparent material or comprise transparent material(240) to form an inspection window.
 19. Set consisting of a materialsheet according to any of claims 15 to 18, and a further flat materialsheet (200) to form a receiver.
 20. Set according to claim 19, whereinthe material sheet (200) for the receiver has three fields (260, 261)which are joined together via fourth fold lines (262), wherein theoutline of the outer fields corresponds in cross section to the innercontour of the folded three-dimensional object, and the center field hasa connecting portion (263) which joins two portions (264), the outlineof which corresponds to half the outline of the outer fields, whereinthe two portions (264) are connected to the connecting portion (263) viafifth fold lines (265).
 21. Set according to claim 20, wherein a cut-out(268) is provided in at least one portion of the center field (261),wherein preferably a tab can be folded out of the plane of the portionto hold the food in the receiver.